What are the interfaces of javax servlet package?

What are the interfaces of javax servlet package?

Interfaces in javax. servlet package

• Servlet.
• ServletRequest.
• ServletResponse.
• RequestDispatcher.
• ServletConfig.
• ServletContext.
• SingleThreadModel.
• Filter.

Which of the following interface are included in Java Servlet package?

Package javax. servlet

Interface Summary
Servlet	Defines methods that all servlets must implement.
ServletConfig	A servlet configuration object used by a servlet container to pass information to a servlet during initialization.

What is Java Servlet package?

servlet package is the core of the Servlet API. It contains the classes necessary for a standard, protocol-independent servlet. The abstract GenericServlet class provides the framework for developing basic servlets. The package also includes a variety of utility classes that communicate with the server and the client.

How many methods are there in servlet interface?

There are 5 methods in Servlet interface. The init, service and destroy are the life cycle methods of servlet. These are invoked by the web container….Methods of Servlet interface.

Method	Description
public ServletConfig getServletConfig()	returns the object of ServletConfig.

How many packages are there in servlet?

There are two packages in Java Servlet that provide various features to servlet. These two packages are javax. servlet and javax. servlet.

What is servlet interface in Java?

This interface is for developing servlets. A servlet is a body of Java code that is loaded into and runs inside a servlet engine, such as a web server. The Servlet interface defines methods to initialize a servlet, to receive and respond to client requests, and to destroy a servlet and its resources.

What is Servlet interface in Java?

What is JSP page in Java?

JavaServer Pages (JSP) is a Java standard technology that enables you to write dynamic, data-driven pages for your Java web applications. JSP is built on top of the Java Servlet specification. The two technologies typically work together, especially in older Java web applications.

How many techniques are used in session tracking?

There are four techniques used in Session tracking: Cookies. Hidden Form Field. URL Rewriting.

Which one is a Servlet interface?

The Servlet interface defines methods to initialize a servlet, to receive and respond to client requests, and to destroy a servlet and its resources. These are known as life-cycle methods, and are called by the network service in the following manner: Servlet is created then initialized.

Is GenericServlet an interface?

The GenericServlet class implements the Servlet interface and, for convenience, the ServletConfig interface. The GenericServlet class was created to make writing servlets easier. It provides simple versions of the life-cycle methods init and destroy, and of the methods in the ServletConfig interface.

Is JSP dead 2020?

It is not dead. But, officially there is no importance for JSP spec and there won’t be any further updates to the technology. The latest release for JSP is 2.3. From Java EE 6, JSF 2 has replaced JSP as the main view technology.

Are there many interfaces in javax.servlet package?

There are many interfaces in javax.servlet package. They are as follows: There are many classes in javax.servlet package. They are as follows: There are many interfaces in javax.servlet.http package. They are as follows: There are many classes in javax.servlet.http package.

Is there an API for the Java Servlet?

Servlet API. The javax.servlet and javax.servlet.http packages represent interfaces and classes for servlet api. The javax.servlet package contains many interfaces and classes that are used by the servlet or web container. These are not specific to any protocol.

What are the methods of the Servlet interface?

The Servlet interface defines methods to initialize a servlet, to receive and respond to client requests, and to destroy a servlet and its resources. These are known as life-cycle methods, and are called by the network service in the following manner: Servlet is created then initialized.

Is the javax.servlet package specific to HTTP requests?

The javax.servlet package contains many interfaces and classes that are used by the servlet or web container. These are not specific to any protocol. The javax.servlet.http package contains interfaces and classes that are responsible for http requests only.